Milkfat tester or the like



FIG. 1 is a front elevation of a milkfat tester showing my new design;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a right side elevation thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a milkfat tester or the like, substantially as shown and described. 